Examples with Spannable android.text.Spannable used on opensource projects

Example 36 with Spannable

use of android.text.Spannable in project android_frameworks_base by DirtyUnicorns.

the class TextView method moveCursorToVisibleOffset.

/**
     * Move the cursor, if needed, so that it is at an offset that is visible
     * to the user.  This will not move the cursor if it represents more than
     * one character (a selection range).  This will only work if the
     * TextView contains spannable text; otherwise it will do nothing.
     *
     * @return True if the cursor was actually moved, false otherwise.
     */
public boolean moveCursorToVisibleOffset() {
    if (!(mText instanceof Spannable)) {
        return false;
    }
    int start = getSelectionStart();
    int end = getSelectionEnd();
    if (start != end) {
        return false;
    }
    // First: make sure the line is visible on screen:
    int line = mLayout.getLineForOffset(start);
    final int top = mLayout.getLineTop(line);
    final int bottom = mLayout.getLineTop(line + 1);
    final int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom();
    int vslack = (bottom - top) / 2;
    if (vslack > vspace / 4)
        vslack = vspace / 4;
    final int vs = mScrollY;
    if (top < (vs + vslack)) {
        line = mLayout.getLineForVertical(vs + vslack + (bottom - top));
    } else if (bottom > (vspace + vs - vslack)) {
        line = mLayout.getLineForVertical(vspace + vs - vslack - (bottom - top));
    }
    // Next: make sure the character is visible on screen:
    final int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight();
    final int hs = mScrollX;
    final int leftChar = mLayout.getOffsetForHorizontal(line, hs);
    final int rightChar = mLayout.getOffsetForHorizontal(line, hspace + hs);
    // line might contain bidirectional text
    final int lowChar = leftChar < rightChar ? leftChar : rightChar;
    final int highChar = leftChar > rightChar ? leftChar : rightChar;
    int newStart = start;
    if (newStart < lowChar) {
        newStart = lowChar;
    } else if (newStart > highChar) {
        newStart = highChar;
    }
    if (newStart != start) {
        Selection.setSelection((Spannable) mText, newStart);
        return true;
    }
    return false;
}

Example 37 with Spannable

use of android.text.Spannable in project android_frameworks_base by DirtyUnicorns.

the class TextView method setText.

private void setText(CharSequence text, BufferType type, boolean notifyBefore, int oldlen) {
    if (text == null) {
        text = "";
    }
    // If suggestions are not enabled, remove the suggestion spans from the text
    if (!isSuggestionsEnabled()) {
        text = removeSuggestionSpans(text);
    }
    if (!mUserSetTextScaleX)
        mTextPaint.setTextScaleX(1.0f);
    if (text instanceof Spanned && ((Spanned) text).getSpanStart(TextUtils.TruncateAt.MARQUEE) >= 0) {
        if (ViewConfiguration.get(mContext).isFadingMarqueeEnabled()) {
            setHorizontalFadingEdgeEnabled(true);
            mMarqueeFadeMode = MARQUEE_FADE_NORMAL;
        } else {
            setHorizontalFadingEdgeEnabled(false);
            mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS;
        }
        setEllipsize(TextUtils.TruncateAt.MARQUEE);
    }
    int n = mFilters.length;
    for (int i = 0; i < n; i++) {
        CharSequence out = mFilters[i].filter(text, 0, text.length(), EMPTY_SPANNED, 0, 0);
        if (out != null) {
            text = out;
        }
    }
    if (notifyBefore) {
        if (mText != null) {
            oldlen = mText.length();
            sendBeforeTextChanged(mText, 0, oldlen, text.length());
        } else {
            sendBeforeTextChanged("", 0, 0, text.length());
        }
    }
    boolean needEditableForNotification = false;
    if (mListeners != null && mListeners.size() != 0) {
        needEditableForNotification = true;
    }
    if (type == BufferType.EDITABLE || getKeyListener() != null || needEditableForNotification) {
        createEditorIfNeeded();
        mEditor.forgetUndoRedo();
        Editable t = mEditableFactory.newEditable(text);
        text = t;
        setFilters(t, mFilters);
        InputMethodManager imm = InputMethodManager.peekInstance();
        if (imm != null)
            imm.restartInput(this);
    } else if (type == BufferType.SPANNABLE || mMovement != null) {
        text = mSpannableFactory.newSpannable(text);
    } else if (!(text instanceof CharWrapper)) {
        text = TextUtils.stringOrSpannedString(text);
    }
    if (mAutoLinkMask != 0) {
        Spannable s2;
        if (type == BufferType.EDITABLE || text instanceof Spannable) {
            s2 = (Spannable) text;
        } else {
            s2 = mSpannableFactory.newSpannable(text);
        }
        if (Linkify.addLinks(s2, mAutoLinkMask)) {
            text = s2;
            type = (type == BufferType.EDITABLE) ? BufferType.EDITABLE : BufferType.SPANNABLE;
            /*
                 * We must go ahead and set the text before changing the
                 * movement method, because setMovementMethod() may call
                 * setText() again to try to upgrade the buffer type.
                 */
            mText = text;
            // would prevent an arbitrary cursor displacement.
            if (mLinksClickable && !textCanBeSelected()) {
                setMovementMethod(LinkMovementMethod.getInstance());
            }
        }
    }
    mBufferType = type;
    mText = text;
    if (mTransformation == null) {
        mTransformed = text;
    } else {
        mTransformed = mTransformation.getTransformation(text, this);
    }
    final int textLength = text.length();
    if (text instanceof Spannable && !mAllowTransformationLengthChange) {
        Spannable sp = (Spannable) text;
        // Remove any ChangeWatchers that might have come from other TextViews.
        final ChangeWatcher[] watchers = sp.getSpans(0, sp.length(), ChangeWatcher.class);
        final int count = watchers.length;
        for (int i = 0; i < count; i++) {
            sp.removeSpan(watchers[i]);
        }
        if (mChangeWatcher == null)
            mChangeWatcher = new ChangeWatcher();
        sp.setSpan(mChangeWatcher, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE | (CHANGE_WATCHER_PRIORITY << Spanned.SPAN_PRIORITY_SHIFT));
        if (mEditor != null)
            mEditor.addSpanWatchers(sp);
        if (mTransformation != null) {
            sp.setSpan(mTransformation, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
        }
        if (mMovement != null) {
            mMovement.initialize(this, (Spannable) text);
            /*
                 * Initializing the movement method will have set the
                 * selection, so reset mSelectionMoved to keep that from
                 * interfering with the normal on-focus selection-setting.
                 */
            if (mEditor != null)
                mEditor.mSelectionMoved = false;
        }
    }
    if (mLayout != null) {
        checkForRelayout();
    }
    sendOnTextChanged(text, 0, oldlen, textLength);
    onTextChanged(text, 0, oldlen, textLength);
    notifyViewAccessibilityStateChangedIfNeeded(AccessibilityEvent.CONTENT_CHANGE_TYPE_TEXT);
    if (needEditableForNotification) {
        sendAfterTextChanged((Editable) text);
    }
    // SelectionModifierCursorController depends on textCanBeSelected, which depends on text
    if (mEditor != null)
        mEditor.prepareCursorControllers();
}

Example 38 with Spannable

use of android.text.Spannable in project android_frameworks_base by DirtyUnicorns.

the class PhoneNumberUtils method createTtsSpannable.

/**
     * Wrap the supplied {@code CharSequence} with a {@code TtsSpan}, annotating it as
     * containing a phone number in its entirety.
     *
     * @param phoneNumber A {@code CharSequence} the entirety of which represents a phone number.
     * @return A {@code CharSequence} with appropriate annotations.
     */
public static CharSequence createTtsSpannable(CharSequence phoneNumber) {
    if (phoneNumber == null) {
        return null;
    }
    Spannable spannable = Spannable.Factory.getInstance().newSpannable(phoneNumber);
    PhoneNumberUtils.addTtsSpan(spannable, 0, spannable.length());
    return spannable;
}

Example 39 with Spannable

use of android.text.Spannable in project android_frameworks_base by DirtyUnicorns.

the class LinkSpec method addLinks.

/**
     *  Scans the text of the provided TextView and turns all occurrences of
     *  the link types indicated in the mask into clickable links.  If matches
     *  are found the movement method for the TextView is set to
     *  LinkMovementMethod.
     *
     *  @param text TextView whose text is to be marked-up with links
     *  @param mask Mask to define which kinds of links will be searched.
     *
     *  @return True if at least one link is found and applied.
     */
public static final boolean addLinks(@NonNull TextView text, @LinkifyMask int mask) {
    if (mask == 0) {
        return false;
    }
    CharSequence t = text.getText();
    if (t instanceof Spannable) {
        if (addLinks((Spannable) t, mask)) {
            addLinkMovementMethod(text);
            return true;
        }
        return false;
    } else {
        SpannableString s = SpannableString.valueOf(t);
        if (addLinks(s, mask)) {
            addLinkMovementMethod(text);
            text.setText(s);
            return true;
        }
        return false;
    }
}

Example 40 with Spannable

use of android.text.Spannable in project android_frameworks_base by DirtyUnicorns.

the class SpannableTest method testGetSpans.

@MediumTest
public void testGetSpans() {
    Spannable spannable = newSpannableWithText("abcdef");
    Object emptySpan = new Object();
    spannable.setSpan(emptySpan, 1, 1, 0);
    Object unemptySpan = new Object();
    spannable.setSpan(unemptySpan, 1, 2, 0);
    Object[] spans;
    // Empty spans are included when they merely abut the query region
    // but other spans are not, unless the query region is empty, in
    // in which case any abutting spans are returned.
    spans = spannable.getSpans(0, 1, Object.class);
    MoreAsserts.assertEquals(new Object[] { emptySpan }, spans);
    spans = spannable.getSpans(0, 2, Object.class);
    MoreAsserts.assertEquals(new Object[] { emptySpan, unemptySpan }, spans);
    spans = spannable.getSpans(1, 2, Object.class);
    MoreAsserts.assertEquals(new Object[] { emptySpan, unemptySpan }, spans);
    spans = spannable.getSpans(2, 2, Object.class);
    MoreAsserts.assertEquals(new Object[] { unemptySpan }, spans);
}